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Grid structure optimization using slow coherency theory and holomorphic embedding method
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DOI：10.1016/j.ijepes.2024.110367.png)
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This paper addresses the issue of complex fault oscillation modes and weak voltage points in large power systems by proposing a network structure optimization method that balances system synchrony and node voltage stability. The method uses slow synchrony clustering theory to establish node classification criteria and a comprehensive synchrony indicator for quantitative description of network synchrony performance. Simultaneously, it employs the holomorphic embedding method to solve the voltage sigma indicator for quantitative assessment of voltage stability. A model that considers both system synchrony and node voltage stability is then developed and optimized using a discrete particle swarm algorithm in simulations with 13-node, 118-node, and 2383-wp systems, compared to other classical algorithms. Simulation results show that the proposed optimization method effectively improves the synchrony clustering performance and voltage stability of the test systems, offering faster optimization speed and better results compared to other classical algorithms.
Keyword:
Grid structure optimization
Holomorphic embedding
Slow coherency
Node classification
Voltage Stability Margin
期刊
I
IF:
5
论文数:
1.1W
被引数:
3.1W
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引用论文
Ultra High Voltage Transmission in China: Developments, Current Status and Future Prospects.png)
PROCEEDINGS OF THE IEEE
PROCEEDINGS OF THE IEEEIF25.9
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